CVE-2017-15570 : What You Need to Know

A Cross-Site Scripting (XSS) vulnerability exists in Redmine versions prior to 3.2.8, 3.3.x before 3.3.5, and 3.4.x before 3.4.3, specifically in the app/views/timelog/_list.html.erb file.

Understanding CVE-2017-15570

This CVE entry details a security vulnerability in Redmine that could allow for XSS attacks.

What is CVE-2017-15570?

This CVE identifies a specific XSS vulnerability in certain versions of Redmine due to manipulated column data in a particular file.

The Impact of CVE-2017-15570

The presence of this vulnerability could lead to malicious actors executing arbitrary scripts in the context of a user's browser, potentially compromising sensitive data or performing unauthorized actions.

Technical Details of CVE-2017-15570

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The XSS vulnerability in Redmine versions prior to 3.2.8, 3.3.x before 3.3.5, and 3.4.x before 3.4.3 allows attackers to inject malicious scripts via manipulated column data in the app/views/timelog/_list.html.erb file.

Affected Systems and Versions

Redmine versions prior to 3.2.8
Redmine 3.3.x versions before 3.3.5
Redmine 3.4.x versions before 3.4.3

Exploitation Mechanism

The vulnerability arises from improper input validation in the affected versions, enabling attackers to insert malicious scripts that get executed in the context of a user's session.

Mitigation and Prevention

Protecting systems from this vulnerability requires specific actions.

Immediate Steps to Take

Upgrade Redmine to version 3.2.8, 3.3.5, or 3.4.3, where the vulnerability is patched.
Regularly monitor and sanitize user inputs to prevent XSS attacks.

Long-Term Security Practices

Implement secure coding practices to validate and sanitize user inputs effectively.
Conduct regular security audits and penetration testing to identify and address vulnerabilities proactively.

Patching and Updates

Stay informed about security advisories and updates from Redmine.
Apply patches and updates promptly to ensure systems are protected against known vulnerabilities.